Middle mediastinal lesion

A mediastinal tumor is a tumor in the mediastinum, the cavity that separates the lungs from the rest of the chest. It contains the heart, esophagus, trachea, thymus, and aorta. [Source: Wikipedia ]

Synonyms
Middle mediastinal mass
May Cause
Diffuse tracheal narrowing
Tracheal displacement
May Be Caused by
Aberrant left pulmonary artery
Aberrant right subclavian artery
Achalasia
Acute mediastinitis
Adenoid cystic carcinoma
Aortic dissection
Aorticopulmonary paraganglioma
Ascites
Azygos continuation of inferior vena cava
Brachiocephalic artery tortuosity
Bronchogenic carcinoma
Castleman disease
Chagas disease
Chondrosarcoma
Dilated azygos vein
Dilated left superior intercostal vein
Dilated superior vena cava
Dilated thoracic duct
Double aortic arch
Duplication cyst
Esophageal carcinoma
Esophageal diverticulum
Esophageal leiomyoma
Esophageal neoplasm
Esophageal stricture
Esophageal varices
Extramedullary hematopoiesis
Fibrosing mediastinitis
Gastrointestinal stromal tumor
Hemangioma
Hiatal hernia
Histoplasmosis
Intrathoracic goiter
Left superior vena cava
Lesion
Leukemia
Lipoma
Liposarcoma
Lymphadenopathy
Lymphangioma
Lymphoma
Mediastinal abscess
Mediastinal hematoma
Mediastinal hemorrhage
Mediastinal varices
Megaesophagus
Mesothelioma
Metastasis
Pancreatic pseudocyst
Parathyroid adenoma or carcinoma
Partial anomalous pulmonary venous return
Perforated central venous catheter
Phrenic nerve schwannoma
Plasmacytoma
Pneumoconiosis
Postoperative fluid collection
Pseudocoarctation of aorta
Pulmonary artery angiosarcoma
Pulmonary artery dilatation
Right aortic arch
Sarcoidosis
Scleroderma
Silicosis
Squamous cell carcinoma
Thoracic aortic aneurysm
Thymic neoplasm
Thyroid carcinoma
Tracheal tumor
Tracheobronchomegaly
Tuberculosis
Vagus nerve schwannoma
Vascular ring
Zenker diverticulum
Middle mediastinal mass